US5998017A - Stretch wrap films - Google Patents
Stretch wrap films Download PDFInfo
- Publication number
- US5998017A US5998017A US08/614,297 US61429796A US5998017A US 5998017 A US5998017 A US 5998017A US 61429796 A US61429796 A US 61429796A US 5998017 A US5998017 A US 5998017A
- Authority
- US
- United States
- Prior art keywords
- stretch wrap
- wrap film
- outer layer
- cling
- polyethylene resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/582—Tearability
- B32B2307/5825—Tear resistant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2553/00—Packaging equipment or accessories not otherwise provided for
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2848—Three or more layers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2852—Adhesive compositions
- Y10T428/2861—Adhesive compositions having readily strippable combined with readily readhearable properties [e.g., stick-ons, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2852—Adhesive compositions
- Y10T428/2878—Adhesive compositions including addition polymer from unsaturated monomer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31909—Next to second addition polymer from unsaturated monomers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31909—Next to second addition polymer from unsaturated monomers
- Y10T428/31913—Monoolefin polymer
Abstract
Description
______________________________________ STRETCH FILM TEST PROCEDURES TEST PROCEDURE ASTM TEST METHOD ______________________________________ Tensile Yield Machine D882 Direction (MD) Tensile Ultimate MD D882 Tensile Elongation MD D882 Tensile Force @ 200% Stretch D882 250% Stretch D882 300% Stretch D882 350% Stretch D882 Elmendorf Tear MD D1922 Elmendorf Tear Transverse D1922 Direction (TD) Total Energy Dart Drop D4272 F-50 Dart Drop D1709 Gardner Gloss D2457 Gardner Haze D1003 Instron Peel Cling D5458 Instron Probe Puncture Energy -- ______________________________________
TABLE 1.1 __________________________________________________________________________ TEST # 6 5 4 3 2 1 __________________________________________________________________________ SAMPLE DESCRIPTION Film Gauge (mils) 0.80 0.80 0.80 0.80 0.80 0.80 Configuration Single Layer B Single Layer Single Layer Single Layer Single Layer Single Layer Resin AB Blends AB Blends AB Blends AB Blends A Resin Resin A, wt. % 0.0 20.0 40.0 60.0 80.0 100 Resin B, wt. % 100.0 80.0 60.0 40.0 20.0 0.0 LAB ANALYSIS Tensile Ultimate MD 4663.0 5915.0 6216.0 5617.0 4801.0 4977.0 (psi) Tensile Elongation MD 520.0 585.0 656.0 638.0 603.0 603.0 (%) MD Force 200% 1615.0 1671.0 1465.0 1462.0 1463.0 1500.0 Stretch (psi) MD Force 250% 1734.0 1836.0 1527.0 1493.0 1519.0 1549.0 Stretch (psi) MD Force 300% 1969.0 2131.0 1692.0 1639.0 1573.0 1607.0 Stretch (psi) MD Force 350% 2334.0 2510.0 1935.0 1896.0 1852.0 1890.0 Stretch (psi) Elmendorf Tear MD 311.0 330.0 317.0 281.0 256.0 221.0 (g/mil) Elmendorf Tear TD 473.0 548.0 578.0 635.0 652.0 638.0 (g/mil) Instron Probe 19.5 18.2 18.3 22.9 21.9 25.1 Puncture Energy (in-lbs./mil) Total Energy Dart 58.9 57.4 29.5 22.5 15.6 19.0 Drop (in-lbs/mil) F-50 Dart Drop 515+.sup.1 353.0 373.5 146.0 138.6 123.5 (gms/mil) Cling (grams/in) 72.8 118.9 152.2 191.5 207.6 220.5 Gloss (%) 84.3 91.8 92.6 92.4 91.7 91.8 Haze (%) 2.64 1.58 1.48 17.20 1.94 1.88 STRETCH WRAP TESTER Force 200% Stretch 1.44 2.11 2.11 2.17 2.17 2.12 (lb./in.) Force Break (lb/in) 1.62 2.44 2.46 2.44 2.44 2.48 Maximum Stretch to 334.0 375.0 385.0 380.0 382.0 401.0 Break (%) __________________________________________________________________________ 1 exceeded limit of test equipment
TABLE 2.1 ______________________________________ TEST # 6 7 8 9 ______________________________________ SAMPLE DESCRIPTION Film Gauge (mils) 0.80 0.80 0.80 0.80 Configuration Single Layer B/C/B B/C/B B/C/B Metallocene Resin Resin B, wt. % 100.0 90.0 80.0 70.0 Resin C, wt. % 0 10.0 20.0 30.0 LAB ANALYSIS Tensile Ultimate MD (psi) 4663.0 5899.0 6663.0 5464.0 Tensile Elongation MD (%) 520.0 611.0 662.0 591.0 MD Force 200% Stretch (psi) 1615.0 1845.0 2134.0 2402.0 MD Force 250% Stretch (psi) 1734.0 1950.0 2272.0 2562.0 MD Force 300% Stretch (psi) 1969.0 2168.0 2493.0 2788.0 MD Force 350% Stretch (psi) 2334.0 2451.0 2758.0 3078.0 Elmendorf Tear MD (g/mil) 311.0 317.0 346.0 261.0 Elmendorf Tear TD (g/rnii) 473.0 515.0 594.0 805.0 Instron Probe Puncture 19.5 18.3 16.5 17.7 Energy (in-lbs/mil) Total Energy Dart Drop 58.9 SB.3 46.7 24.8 (in-lbs/mil) F-50 Dart Drop (g/mil) 515+ 451.0 440.0 206.0 Cling (grams/in.) 72.8 77.6 80.3 75.7 Gloss (%) 84.3 85.2 84.2 85.6 Haze (%) 2.64 2.58 2.56 2.28 STRETCH WRAP TESTER Force 200% Stretch (lb./in.) 1.44 2.51 2.81 3.16 Force Break (lb/in) 1.62 2.74 3.21 3.29 Maximum Stretch to Break 334.0 352.0 435.0 345.0 (%) ______________________________________
Claims (81)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/614,297 US5998017A (en) | 1996-03-12 | 1996-03-12 | Stretch wrap films |
US10/006,068 USRE38658E1 (en) | 1996-03-12 | 2001-12-05 | Stretch wrap films |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/614,297 US5998017A (en) | 1996-03-12 | 1996-03-12 | Stretch wrap films |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/006,068 Reissue USRE38658E1 (en) | 1996-03-12 | 2001-12-05 | Stretch wrap films |
Publications (1)
Publication Number | Publication Date |
---|---|
US5998017A true US5998017A (en) | 1999-12-07 |
Family
ID=24460647
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/614,297 Ceased US5998017A (en) | 1996-03-12 | 1996-03-12 | Stretch wrap films |
US10/006,068 Expired - Lifetime USRE38658E1 (en) | 1996-03-12 | 2001-12-05 | Stretch wrap films |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/006,068 Expired - Lifetime USRE38658E1 (en) | 1996-03-12 | 2001-12-05 | Stretch wrap films |
Country Status (1)
Country | Link |
---|---|
US (2) | US5998017A (en) |
Cited By (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6083611A (en) * | 1997-11-12 | 2000-07-04 | Tenneco Packaging, Inc. | Roll wrap film |
US6265055B1 (en) | 1999-10-13 | 2001-07-24 | David Simpson | Multilayer stretch cling film |
US6299968B1 (en) * | 1999-11-20 | 2001-10-09 | Intertape Inc. | General purpose multilayer film products |
US6509090B1 (en) * | 1997-08-01 | 2003-01-21 | Elf Atochem S.A. | Composition comprising metallocene plastomer and ethylene/alkyl (meth) acrylate polymer with their secant moduli ratio greater than 1 |
USRE38429E1 (en) * | 1996-03-12 | 2004-02-17 | Tyco Plastics Services Ag | Stretch wrap films |
EP1442874A2 (en) * | 2003-01-30 | 2004-08-04 | Illinois Tool Works Inc. | Wrapping films with mating cling strips |
US20040180231A1 (en) * | 2002-03-14 | 2004-09-16 | Norihide Inoue | Sealant film, resin composition for sealant and uses of the film |
US20050064161A1 (en) * | 2003-09-24 | 2005-03-24 | Ravel Maksymilian Pierre | Collation shrink |
US6913147B2 (en) | 2002-05-16 | 2005-07-05 | Sealed Air Corporation (Us) | Packaging structure having a frame and film |
WO2005065945A1 (en) * | 2003-12-18 | 2005-07-21 | Dow Global Technologies, Inc. | Film with superior impact resistance and improved catastrophic failure resistance under high strain rate |
US20070082185A1 (en) * | 2005-10-12 | 2007-04-12 | Japan Polypropylene Corporation | Multi-layered film |
KR100761375B1 (en) * | 2001-09-06 | 2007-10-04 | 한국쓰리엠 주식회사 | Wrap film of multi-layer for packaging |
US20070292693A1 (en) * | 2004-04-19 | 2007-12-20 | Shaun Parkinson | Composition Suitable for Single-Sided, Low-Noise, Stretch Cling Film and Films Made Therefrom |
US20080038533A1 (en) * | 2006-05-31 | 2008-02-14 | Best Steven A | Linear polymers, polymer blends, and articles made therefrom |
US7399509B2 (en) | 2003-12-23 | 2008-07-15 | Kari Virtanen | Thin polyethylene pressure sensitive labels |
US20090156764A1 (en) * | 2007-12-18 | 2009-06-18 | Malakoff Alan M | Ethylene-Based Polymers and Articles Made Therefrom |
WO2010047709A1 (en) | 2008-10-23 | 2010-04-29 | Exxonmobil Chemical Patents Inc. | High mir linear polye thylenes and coextruded films therefrom |
CN1608841B (en) * | 2003-09-24 | 2010-08-18 | 埃克森美孚化学专利公司 | Collation shrink |
US8105686B2 (en) | 2006-07-17 | 2012-01-31 | Avery Dennison Corporation | Asymmetric multilayered polymeric film and label stock and label thereof |
WO2009082546A3 (en) * | 2007-12-18 | 2013-07-04 | Exxonmobil Chemical Patents Inc. | Polyethylene films and process for production thereof |
CN104859948A (en) * | 2015-06-12 | 2015-08-26 | 成都市益诚包装有限公司 | High impact force-resistant polyethylene heat shrink film and film blowing process |
US9636895B2 (en) | 2006-06-20 | 2017-05-02 | Avery Dennison Corporation | Multilayered polymeric film for hot melt adhesive labeling and label stock and label thereof |
US9662867B2 (en) | 2006-06-14 | 2017-05-30 | Avery Dennison Corporation | Conformable and die-cuttable machine direction oriented labelstocks and labels, and process for preparing |
US9676532B2 (en) | 2012-08-15 | 2017-06-13 | Avery Dennison Corporation | Packaging reclosure label for high alcohol content products |
CN107867034A (en) * | 2017-12-18 | 2018-04-03 | 昆山金盟塑料薄膜有限公司 | A kind of cold stretching film |
USRE46911E1 (en) | 2002-06-26 | 2018-06-26 | Avery Dennison Corporation | Machine direction oriented polymeric films and methods of making the same |
EP3159161B1 (en) | 2015-10-19 | 2019-11-27 | Coveris Flexibles Austria GmbH | Multilayer elastic film |
US10870264B2 (en) * | 2016-06-08 | 2020-12-22 | Rkw Agri Gmbh & Co. Kg | Cover film, method of making cover film, and method of using cover film for enclosing compressed material |
US11225011B2 (en) * | 2009-12-21 | 2022-01-18 | Trioplast Ab | Net replacement film |
EP3727854B1 (en) * | 2017-12-20 | 2022-09-07 | Dow Global Technologies Llc | Multilayer cast films and methods of making thereof |
US11459488B2 (en) | 2014-06-02 | 2022-10-04 | Avery Dennison Corporation | Films with enhanced scuff resistance, clarity, and conformability |
US11760851B2 (en) | 2014-06-30 | 2023-09-19 | Formosa Plastics Corporation, U.S.A. | Cast film component layer exhibiting an outstanding cling property |
EP4076952B1 (en) * | 2019-12-16 | 2023-12-06 | SABIC Global Technologies B.V. | Multilayer films for packaging rubber bales |
Families Citing this family (10)
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US20060286356A1 (en) | 2002-02-27 | 2006-12-21 | Thomas Toby R | Web materials with active agent |
US7951873B2 (en) * | 2006-05-05 | 2011-05-31 | Exxonmobil Chemical Patents Inc. | Linear low density polymer blends and articles made therefrom |
US7601420B2 (en) * | 2007-06-15 | 2009-10-13 | Berry Plastics Corporation | Slip-cling stretch film |
US7611768B2 (en) * | 2007-06-15 | 2009-11-03 | Berry Plastics Corporation | Slip-cling stretch film |
US8197927B2 (en) * | 2007-06-15 | 2012-06-12 | Berry Plastics Corporation | Slip-cling stretch film |
US8012554B2 (en) | 2007-09-12 | 2011-09-06 | Pactiv Corporation | Bags having odor management capabilities |
WO2010059243A2 (en) * | 2008-11-21 | 2010-05-27 | Berry Plastics Corporation | Multi-layer stretch film |
EP2558531B1 (en) | 2010-04-13 | 2017-02-15 | Univation Technologies, LLC | Polymer blends and films made therefrom |
CN104159933B (en) | 2012-03-05 | 2017-09-12 | 尤尼威蒂恩技术有限责任公司 | The manufacture method of carbon monoxide-olefin polymeric and the polymeric articles by its production |
CA3038149C (en) | 2016-09-27 | 2023-08-22 | Univation Technologies, Llc | Method for long chain branching control in polyethylene production |
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